问题
填空题
已知a>0,那么点P(-a2-1,a+3)关于原点的对称点Q在第( )象限。
答案
四
已知a>0,那么点P(-a2-1,a+3)关于原点的对称点Q在第( )象限。
四
读一读,补全短文。 | |
to the window. I saw houses, parks, and swimming pools on the ground. They were all very small! I 2. the food on the airplane. I 3. chicken, rice, icecream and a candy bar. I drank orange juice. I 4. TV too. I 5. it a lot. My aunt met me at the airport and we got home very late. I was very 6. and I had a dream that night. In my dream I 7. on a trip again. |